Finding the Fourth Proportional to 42,053,174.23, 63,079,340.82 and 13,299,314.71

Step by Step Solution

1. Step 1: Write the proportion equation
   42,053,174.23 : 63,079,340.82 = 13,299,314.71 : x
2. Step 2: Convert to fraction form
   42,053,174.23/63,079,340.82 = 13,299,314.71/x
3. Step 3: Cross multiply
   42,053,174.23x = 63,079,340.82 × 13,299,314.71
4. Step 4: Simplify right side
   42,053,174.23x = 838,912,005,264,529.50
5. Step 5: Solve for x
   x = 838,912,005,264,529.50/42,053,174.23
6. Step 6: Final answer
   x = 19,948,839.07